Agilent Technologies 7890A Troubleshooting Manual page 18

2
ALS and Detector Symptoms
Syringe Needle Bends During Injection into Inlet
WA R N I N G
18
When troubleshooting the injector, keep your hands away from
the syringe needle. The needle is sharp and may contain
hazardous chemicals.
Refer to your ALS documentation for additional information:
7683B Automatic Liquid Sampler Installation, Operation
and Maintenance
7693A Automatic Liquid Sampler Installation, Operation
and Maintenance
• Check that the GC septum nut is not too tight.
• Check that the syringe is installed correctly into the
syringe carriage.
• Check that the needle support and guide are clean.
Remove any residue or septum deposits.
• If using the cool on- column inlet, check that the correct
insert for the syringe is installed.
• Check that you are using the proper syringe. The
combined length of the syringe barrel and needle should
be approximately 126.5 mm.
Troubleshooting